Home / 30,935.62-42,693.84-17,511.18

Finding the Fourth Proportional to 30,935.62, 42,693.84 and 17,511.18

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Solution

The fourth proportional to 30,935.62, 42,693.84 and 17,511.18 is: 24,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.62 : 42,693.84 = 17,511.18 : x
  2. Step 2: Convert to fraction form
    30,935.62/42,693.84 = 17,511.18/x
  3. Step 3: Cross multiply
    30,935.62x = 42,693.84 × 17,511.18
  4. Step 4: Simplify right side
    30,935.62x = 747,619,517.13
  5. Step 5: Solve for x
    x = 747,619,517.13/30,935.62
  6. Step 6: Final answer
    x = 24,166.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.